Exercise mat



FIG. 1 is a perspective view of the exercise mat;

FIG. 2 is a top view of the exercise mat shown in FIG. 1;

FIG. 3 is a bottom view of the exercise mat shown in FIG. 1;

FIG. 4 is a left side view of the exercise mat shown in FIG. 1, the right side is identical to the left side shown; and,

FIG. 5 is a front view of the exercise mat shown in FIG. 1, the rear is identical to the front view shown.

The contrast in shading represents a contrast in appearance only and the lines shown on the upper surface represent markings in the upper surface of the exercise mat. 

CLAIM The ornamental design for an exercise mat, as shown and described. 